<?php
/**
* 
*/
class Test1
{
	
	function t1()
	{
		static::t2();
	}
	public static function t2(){
		echo self::'Test1';
	}
}

class Test2 extends Test1
{
	
	static function t2()
	{
		echo self::'Test2';
	}
}

$obj = new Test2();
$obj->t1();
Test2::t2();


?>